samhen93 samhen93
  • 03-12-2014
  • Mathematics
contestada

6x-5y=22 y=-8 using systems of equations by substitution

Respuesta :

AndyBryer
AndyBryer AndyBryer
  • 03-12-2014
We need to sub y=-8 into the first equation
6x+40=22
6x=-18
x=-3
Answer Link
luana
luana luana
  • 03-12-2014
[tex] \left \{ {{6x-5y=22} \atop {y=-8}} \right. \\\\ substitute\ y=-8\ into\ first\ equation\\\\ 6x-5*(-8)=22\\\\ 6x+40=22\ \ \ | subtract\ 40\\\\ 6x=-18\ \ \ | divide\ by\ 6\\\\ x=-3\\\\ y=-8[/tex]
Answer Link

Otras preguntas

Compare and contrast the effects of warm and cold currents on climate
how does alcohol lead you to depression, thoughts of unaliving yourself and violence. Make sure to explain
what does “the good life is built with good relationships” mean to you?
Zeema gets paid £13,440 per annum. Assuming she gets paid in equal monthly payments, how much does she earn per month?
Use the function below to find f(-4). fx) = 2^x
The area of a circle is 100π ft². What is the circumference, in feet? express your answer in terms of \piπ
Choose a company you frequently buy from. For example: Nike, McDonald's, Wawa Now, identify that company's target market and marketing mix.
North Korea is a part of what climate zone?
How was this bias likely to influence any article the residents of Brook Farm might have written about the Lowell mills?
Chicago is home to 2.706 million people and the city sees approximately 55 million visitors each year. China has a population of 1.393 billion. If their visitor